purpura senilis

purpura /pur·pu·ra/ (pur´pu-rah)

1. a small hemorrhage in the skin, mucous membrane, or serosal surface.

2. a group of disorders characterized by the presence of purpuric lesions, ecchymoses, and a tendency to bruise easily.purpu´ric

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allergic purpura , anaphylactoid purpura Henoch-Schönlein p.

purpura annula´ris telangiecto´des  a rare form in which punctate erythematous lesions coalesce to form an annular or serpiginous pattern.

fibrinolytic purpura  purpura associated with increased fibrinolytic activity of the blood.

purpura ful´minans  nonthrombocytopenic purpura seen mainly in children, usually after an infectious disease, marked by fever, shock, anemia, and sudden, rapidly spreading symmetrical skin hemorrhages of the lower limbs, often associated with extensive intravascular thromboses and gangrene.

purpura hemorrha´gica  idiopathic thrombocytopenic p.

Henoch's purpura  Henoch-Schönlein purpura in which abdominal symptoms predominate.

Henoch-Schönlein purpura  nonthrombocytopenic purpura of unknown cause, usually in children; associated with symptoms such as urticaria, erythema, arthropathy and arthritis, gastrointestinal disorder, and renal involvement.

idiopathic thrombocytopenic purpura  thrombocytopenic purpura not directly associated with a systemic disease, although often following a systemic infection; believed to be due to an IgG immunoglobulin that acts as an antibody against platelets.

malignant purpura  meningococcal meningitis.

nonthrombocytopenic purpura  purpura without any decrease in the platelet count of the blood.

Schönlein purpura  Henoch-Schönlein purpura with articular symptoms and without gastrointestinal symptoms.

Schönlein-Henoch purpura  Henoch-Schönlein p.

purpura seni´lis  dark purplish red ecchymoses occurring on the forearms and backs of the hands in the elderly.

thrombocytopenic purpura  any form in which the platelet count is decreased, occurring as a primary disease (idiopathic thrombocytopenic p.) or as a consequence of a primary hematologic disorder (secondary thrombocytopenic p.) .

thrombotic thrombocytopenic purpura  a form of thrombotic microangiopathy marked by thrombocytopenia, hemolytic anemia, neurological manifestations, azotemia, fever, and thromboses in terminal arterioles and capillaries.

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purpura se·ni·lis (s-nls)

n.

The occurrence of petechiae and ecchymoses on the legs in old and disabled persons.

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purpura senilis

[senē′lis]

Etymology: L, purpura, purple, senilis, aged

a skin condition affecting older people and characterized by fragile blood vessel walls that rupture on minimal trauma. Also called senile purpura .